Exploring Task Design and Heuristics Interaction Through a Knowledge-Free Option Generation Task.

Area of Science:

• Cognitive Psychology
• Decision Science

Background:

• Option generation research traditionally focuses on the quantity and quality of generated options.
• Existing studies use diverse task designs, complicating comparisons and heuristic application.
• Key heuristics in option generation include "quantity-breeds-quality," "less-is-more," and "Take The First" (TTF).

Purpose of the Study:

• To analyze option generation using a culture-free, education-independent task.
• To compare empirical results with predictions from the "quantity-breeds-quality," "less-is-more," and TTF heuristics.
• To investigate how task characteristics influence heuristic applicability and explore differences from real-life decision-making.

Main Methods:

• Secondary analysis of data from a quantitative option generation task involving pathfinding on a touchscreen.
• Inclusion of healthy individuals (44) and patients with Major Depressive Disorder (54) to enhance ecological validity.
• Quantification of generated options using fluency, uniqueness, and diversity metrics.

Main Results:

• For both healthy and MDD groups, increased fluency negatively correlated with mean uniqueness, maximum uniqueness, and diversity, supporting the "less-is-more" effect.
• These findings contradict the predictions of the "quantity-breeds-quality" effect.
• Normalized path uniqueness decreased with path index, which is contrary to the TTF heuristic's predictions.

Conclusions:

• The "less-is-more" effect appears more applicable than "quantity-breeds-quality" in this specific task context.
• The TTF heuristic's predictions were not supported, suggesting task design influences heuristic adherence.
• Task characteristics significantly impact which heuristics are relevant, highlighting the divergence between controlled tasks and real-world decision-making.